Locking block for knives



FIG. 1 is a perspective view of a locking block for knives, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line drawings of knives in FIG. 1 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a locking block for knives, as shown and described. 